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Making Electric Power Grids Resilient and Secure, Green Tech, Page 18

Making Electric Power Grids Resilient and Secure

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See entire paper: http://energy.wesrch.com/pdfTR1AU1FU5JWSL
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Detecting Precursors: 
Classification of fault signatures
L o s s o f N e a rb y G e n e ra to r E v e n ts
6 0 .0 5

L o s s o f R e m o te G e n e r a to r E v e n ts

6 0 .0 4

60
6 0 .0 2
Frequency (Hz)




Frequency
(Hz)

60
5 9 .9 5

5 9 .9 8

5 9 .9
5 9 .9 6


5 9 .9 4
5 9 .8 5
0 5 10 15 20 25 30
T im e (s e c )
5 9 .9 2

0 5 10 15 20 25 30

T im e (s e c )
L o s s o f L o a d E v e n ts
L in e T rip E v e n ts
6 0 .0 3


6 0 .0 4
6 0 .0 2
Frequency
(Hz)
Frequency (Hz)




6 0 .0 1

6 0 .0 2

60

60
5 9 .9 9


5 9 .9 8
5 9 .9 8
0 5 10 15 20 25 30
0 5 10 15 20 25 30
T im e (s e c )
T im e (s e c )




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2011 No part of this presentation may be reproduced in any form without prior authorization.

 
 
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